primary subtractive colour for light

NOUN
36 LETTERS · STARTS WITH P

primary subtractive colour for light is a valid 36-letter word worth 55 points in Scrabble and 64 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
P3R1I1M3A1R1Y4S1U1B3T1R1A1C3T1I1V4E1C3O1L1O1U1R1F4O1R1L1I1G2H4T1
3 + 1 + 1 + 3 + 1 + 1 + 4 + 0 + 1 + 1 + 3 + 1 + 1 + 1 + 3 + 1 + 1 + 4 + 1 + 0 + 3 + 1 + 1 + 1 + 1 + 1 + 0 + 4 + 1 + 1 + 0 + 1 + 1 + 2 + 4 + 1 =55 PTS
DOUBLE WORD → 110TRIPLE WORD → 165
MEANING

What does primary subtractive colour for light mean?

NOUN · 1 SENSE
1

Any of the three colors that give the primary colors for light after subtraction from white light.

SYNONYMS
PRIMARY SUBTRACTIVE COLOR FOR LIGHT
BROADER
PRIMARY COLOR FOR LIGHTPRIMARY COLOUR FOR LIGHT